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[Q] - i9507: No service on KitKat - Can receive calls, can't dial (no service)

Hi Guys,
I'm from Australia and recently bought an Optus Galaxy S4 4G. Strangely, the model number is i9507. I double-checked this online and usually weird model numbers are just carrier-spin-offs. So I went ahead to root and flash just like you would with an International i9505.
So far no problems - 4.3.x PA rom works absolutely fine.
BUT:
I've tried some Kit Kat roms recently and they all flash fine but give me 'mobile network not available'. Strangely though, I can receive calls/text and talk on the phone, but when I try to dial or send text messages, I can't do it. My reception bar is completely empty as well.
WiFi is totally fine, just no data and mobile network
I've tried messing with the 'network operators' setting and if i select my carrier (I have a Vodafone sim) I'll get network reception until I turn off the screen and then my mobile network becomes unavailable again
Not sure what the problem is; modem? APN? or roms not suitable for my phone?
Current info:
ROM - [ROM] KOT49H【4.4.2】 GOOGLE EDITION 4.4.2 by Danvdh, Kryten2k35 & Ktoonsez
Baseband - i9507XXUAMH2
Kernel - [email protected]oonsez-VirtualBox #1
I've been flashing for a while now but it's usually just basic stuff so you can probably tell I'm pretty amateur lol.
Any help is greatly appreciated!
Thanks =)
Richard

richard_huang70 said:
they all flash fine but give me 'mobile network not available'. Strangely though, I can receive calls/text and talk on the phone, but when I try to dial or send text messages, I can't do it. My reception bar is completely empty as well.
WiFi is totally fine, just no data and mobile network
...
Current info:
ROM - [ROM] KOT49H【4.4.2】 GOOGLE EDITION 4.4.2 by Danvdh, Kryten2k35 & Ktoonsez
Baseband - i9507XXUAMH2
Kernel - [email protected]oonsez-VirtualBox #1
Click to expand...
Click to collapse
Hi Rich
As your baseband is quite out of sync with the firmware you are trying to run (MH2 is from 4.2.2 ,,, right?) I would suggest you change your baseband (modem) flashing an equivalent to the ROM firmware from here.
I've got yesterday the exactly same behaviour when finally and reluctantly I've added a data plan. I was running a successful low-baseband + high-firmware because was setted to "GSM Only" (try it ... will work flawless). When I've switched to LTE got what you've described in the face too . I've promptly updated my baseband and now all is fine :angel:
EDIT: please do nothing of the above described BEFORE taking a EFS backup with every tool you can find and preserving them in several highly fortified locations and 2 or 3 K7 Tapes too . Have an ODIN flashable copy of your MH2 baseband is advisable too.
Hope I've helped and please share your experience.
Nice regards.
.

Hey thanks for the reply! Helps heaps =)
While I still had those roms installed I did try flash a few modems within Odin, all failed though =S
Which one should I be flashing?
I believe I tried XXUFNA1 but the flash just doesn't go through
Does it make a difference which rom I flash the new modem from? I.e. flash when the new modem now or flash the new modem on the kitkat rom?
I'm currently using Pacman 4.3.1 since it's perfectly fine. Just can't wait to get on a KitKat rom though! haha

richard_huang70 said:
Hey thanks for the reply! Helps heaps =)
While I still had those roms installed I did try flash a few modems within Odin, all failed though =S
Which one should I be flashing?
I believe I tried XXUFNA1 but the flash just doesn't go through
Does it make a difference which rom I flash the new modem from? I.e. flash when the new modem now or flash the new modem on the kitkat rom?
I'm currently using Pacman 4.3.1 since it's perfectly fine. Just can't wait to get on a KitKat rom though! haha
Click to expand...
Click to collapse
Hi Rich
Sorry, may be my fault, but quite didn't got your
You may proceed having the below as a rule of thumb:
Your baseband (modem) version should always match your ROM (firmware) version.
Failure to flash something is never good signal. As you have an i9507 (I own the 5) is very advisable to flash a modem built for your S4 flavour.
The above rule should apply to it too so, if the only modem available for the i9507 is the MH2 your firmware have to match or these issues reported will return.
Did you tested the "GSM Only" option to corroborate (or not) my hyphothesis? With this config, you should perceive no signal drops when waked. I know it isn't a viable operational mode but ... just for fun
Nice regards and keep sharing :laugh:
.

[Q] Galaxy Note 3 not connecting mobile data

hey peeps, i need help on something. I flashed Omega rom for my galaxy note 3 and after reboot it wont connect to my 4gLTE network. The wifi works fine as well as everything else about my phone except that. Ive searched everywhere for answers but i dont seem to have any luck. Ive flashed a stock kernel thinking maybe it had something to do with it but it didnt help either. In my settings, it says service state in service but mobile network state disconnected. If any one can help me, PLEASE do. Thanks!!!

Cyanogenmod 11 roaming problem

Hi Guys,
I have today downloaded and installed Cyanogenmod 11 on my S4 from Cyanogenmod website via one time installer.. Everying went fine but I have a problem now. My 3g is not working. My S4 is always on roaming. I have searched in internet first but I can't find a solution for this problem.
Can anyone help me please?

safi_k19 said:
Hi Guys,
I have today downloaded and installed Cyanogenmod 11 on my S4 from Cyanogenmod website via one time installer.. Everying went fine but I have a problem now. My 3g is not working. My S4 is always on roaming. I have searched in internet first but I can't find a solution for this problem.
Can anyone help me please?
Click to expand...
Click to collapse
Still no data?
This solution worked for a Danish guy with Telenor carrier.
"There are plenty of fields in an APN entry they my provider/carrier did not address, MVNO type for example, and that one turned out to be the problem It was set to 'SPN' by default, but it should be 'None'. I found that out be reflashing a CM11 M12 and checking the APN settings.
This particular misconfiguration is of course specific to my provider/carrier, but it is probably a general problem for people with mobile data problems."

Still no data. Wow cyanamod is so much better then touchwizz crap. But how can I solve this problem. Do I need to change on the APN?

I just got 2 updates from Cyanogenmod and my data is working. Finally

SVA ROM v10 - problem - can't find location

Hey guys, a few days ago I bought from ebay a used I9502. It came with SVA rom with android lolipop 5.0.1 preinstalled. I like the rom very much but i have a major issue. It is impossible to find my location using only wireless networks (wifi, 3g)(power saving mode). It can only find my location when using GPS and I am outdoors (high accuracy mode). I have tried to reset to factory but nothing changes.
Do you know what may cause this issue?
Thank you.

update
I have an update for those who might be interested.
I flashed the latest stock rom from sammobile to see if the problem continues. With the stock rom the location servicve works fine.
After a reseach I figured out that the SVA rom is missing "NetworkLocation" that's why it wont find my location using wireless networks.
The problem is that I discovered that the version of "NetworkLocation" I have, collects and sends data to Baidu(something like the chinese google). So I was wondering if any of you guys using an international lollipop Galaxy S4 would like to help me and send me his version of "NetworkLocations".

Every Marshmallow ROM on the I9505 has issues connecting to mobile internet.

It seems that I can't get any mobile internet connection whatsoever on any Marshmallow ROM.
I have tried different roms, I've tried over 20 baseband versions (modems) to no avail. I honestly have no idea what to do anymore and can't seem to find any fix to this.
If anyone has ANY idea and thinks that can aid me anyhow, it would be of great help, thanks !

Select the correct APN.
Mine doesn't connect with the default APN either.